168339434 has 4 divisors (see below), whose sum is σ = 252509154. Its totient is φ = 84169716.

The previous prime is 168339433. The next prime is 168339439. The reversal of 168339434 is 434933861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135792409 + 32547025 = 11653^2 + 5705^2 .

It is a junction number, because it is equal to n+sod(n) for n = 168339391 and 168339400.

It is not an unprimeable number, because it can be changed into a prime (168339433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42084857 + ... + 42084860.

Almost surely, 2^168339434 is an apocalyptic number.

168339434 is a deficient number, since it is larger than the sum of its proper divisors (84169720).

168339434 is an equidigital number, since it uses as much as digits as its factorization.

168339434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84169719.

The product of its digits is 186624, while the sum is 41.

The square root of 168339434 is about 12974.5687404245. The cubic root of 168339434 is about 552.1562014191.

The spelling of 168339434 in words is "one hundred sixty-eight million, three hundred thirty-nine thousand, four hundred thirty-four".